Differential breeding investment in bridled and non-bridled common guillemots (Uria aalge): morph of the partner matters
Kristensen, D.L., Erikstad, K.E., Reiertsen, T.K., Moum, T. 2014. Differential breeding investment in bridled and non-bridled common guillemots (Uria aalge): morph of the partner matters. Behavioral Ecology and Sociobiology 68: 1851-1858